package com.ck.entity;

public class EntityDemo {
    public static void main(String[] args) {
        UserEntity userEntity = new UserEntity();
        userEntity.setUsername("ck");
        setValue(userEntity);
        System.out.println(userEntity);
    }

    private static UserEntity setValue(UserEntity userEntity){
        userEntity.setAge(15);
        return userEntity;
    }
}

